<template>
  <div>
    <!-- 顶部滑动条区域 -->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
          <a
            :class="['mui-control-item',item.id==0?'mui-active':'']"
            v-for="item in cates" :key="item.id"  @tap="getPhotoListByCateId(item.id)"
          >{{item.title}}</a>
          
        </div>
      </div>
    </div>
    <!-- 图片列表 -->
    <ul class="photo-list"> 
      <router-link v-for="item in list" :key="item.id" tag="li" :to="'/home/photoinfo/'+item.id">
        <img v-lazy="'../../images/zong.jpg'">
        <div class="info">
          <h1 class="info-title">{{item.title}}</h1>
          <div class="info-body">{{item.zhaiyao}}</div>
        </div>
      </router-link>
    </ul>
  </div>
</template>

<script>
import Mui from "../../lib/mui/js/mui.min.js";
import {Toast} from 'mint-ui';
export default {
  data() {
    return {
      cates:[],
      list:[]
    };
  },
  created(){
    this.getAllCategory();
    this.getPhotoListByCateId(0);
  },
  mounted() {
    Mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005
    });
  },
  methods:{
    getAllCategory(){
      this.$http.get('api/getimgcategory').then(result=>{
        if(result.body.status === 0){
          result.body.message.unshift({title:"全部",id:0});
          this.cates=result.body.message;
        }else{
          Toast("获取分类列表失败！")
        }
      })
    },
    getPhotoListByCateId(cateId){
      this.$http.get('api/getimages/'+cateId).then(result=>{
        if(result.body.status === 0){      
          this.list=result.body.message;
        }else{
          Toast("获取图片列表失败！")
        }
      })
    }
  }
};
</script>

<style lang="scss" scoped>
* {
  touch-action: pan-y;
}

.photo-list{
  list-style: none;
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
  li{
    background-color: #cccccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
    img{
      width: 100%;
      height: 300px;
      vertical-align: middle;
    }
    img[lazy=loading] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info{
      color: #fff;
      text-align: center;
      position: absolute;
      bottom: 0;
      background-color: rgba(0,0,0,0.4);
      max-height: 84px;
      .info-title{
        font-size: 14px;
      }
      .info-body{
        font-size: 13px;
        text-indent: 1em;
        padding: 0 3px;
      }
    }
  }
}
</style>
